Cystic fibrosis
Are omega-3 supplements helpful in cystic fibrosis?
Clinical studies exist, but a Cochrane review found the evidence too limited to establish a reliable clinical benefit.
Updated September 24, 2026 · Editorial attribution: PV Griscom, M.Sc. · Independent clinical review pending
The question behind the headline
People with cystic fibrosis; omega-3 supplementation and lung or nutritional outcomes.
What the finding does—and doesn’t—tell us
Biochemical changes do not establish fewer exacerbations. Findings from older studies may not describe care with newer CF therapies.
Read the underlying research.
Selected sources, not an exhaustive reference list. Research record or abstract screening only; full-text efficacy appraisal is pending. Source publication dates may precede this page’s update date.
Three questions to take forward
- Was the study population similar to the person or situation I have in mind?
- Did it measure an outcome people feel or experience, or only a laboratory marker?
- How do formulation, usual care, absolute benefit and adverse effects change the interpretation?
Study doses describe experiments; they are not personal dosing advice. Explore safety and limitations ↗